Seaforth at a glance
Walk score
28
Car dependent
Population
7,384
Median age 42
The brief
What to know about Seaforth.
The postcode for Seaforth is 2092 (NSW), part of Greater Sydney.
Seaforth (2092) sits in the Northern Beaches region of NSW.
Seaforth has roughly 7,384 residents, with a typical family-age mix. Households are predominantly owner-occupied. Daily life is car-friendly: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Seaforth scores 28/100 on walkability, which makes it car-friendly with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 26°C (mild), winter mornings around 8°C (mild). Annual rainfall lands at about 1302mm. Data comes from the Bureau of Meteorology's Sydney (Observatory Hill) station, 32.5km away.
Schooling within or near the suburb covers 10 government primary, 3 government secondary, 3 Catholic, 3 independent.
Who lives here
Demographics.
The 2021 Census put Seaforth's population at 7,384, with a median age of 42. That sits as a typical family-age mix. Households are predominantly owner-occupied (82% own, 16% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (87% family households, 11% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
7,384
Median age
42
Family households
87%
Lone person
11%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Sales data as of May 2026· rental-nsw
Rental and ownership
Weekly rent (house)
$1408/wk
Weekly rent (unit)
$875/wk
Owner occupied
82%
Renter occupied
16%
At a deeper level
7,384
Median age: 42
Rental data as of December 2025· rental-nsw
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Safety
Crime and safety.
161
total offences in 2025
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of January 2025· State Police Open Data
Getting around
Walkability.
28
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Seaforth.
Local schools for Seaforth
View the catchment for each school to find out more.
Government School Catchment
Seaforth Public School
Balgowlah North Public School
Northern Beaches Secondary College Balgowlah Boys Campus
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
1302 mm
Hottest Month (avg max)
26.2°C
Coldest Month (avg min)
8.4°C
Monthly Rainfall (mm)
Weather data from BOM station Sydney (Observatory Hill) (33 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Seaforth.
- What is the Seaforth postcode?
- Seaforth is in the 2092 postcode, in NSW, in the Northern Beaches Council region.
- Where is Seaforth?
- Seaforth is a suburb of Sydney, in NSW 2092. It is part of the Greater Sydney area, in the Northern Beaches Council region.
- What is the average rent in Seaforth?
- The median weekly rent for houses is $1408, for units it's $875.
- What schools are in Seaforth?
- There are 20 schools serving Seaforth on this page, including Seaforth Public School, Farmhouse Montessori School, Balgowlah North Public School.
- How walkable is Seaforth?
- Seaforth has a Walk Score of 28 out of 100, car-dependent for most errands. transit score 0, bike score 100.
- What suburbs are near Seaforth?
- Seaforth is close to North Balgowlah, Balgowlah, Clontarf, Manly Vale, Castlecrag.
- What is the population of Seaforth?
- The population of Seaforth is approximately 7,384 (2021 Census). The median age is 42.
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
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